201687080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720311}}^1$

素因数の和:720329

約数の個数: 32

約数和(自身を含む): 518624640

約数和(自身を除く): 316937560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720311, 1440622, 2881244, 3601555, 5042177, 5762488, 7203110, 10084354, 14406220, 20168708, 25210885, 28812440, 40337416, 50421770, 100843540, 201687080]

約数ペア:

[(1, 201687080), (2, 100843540), (4, 50421770), (5, 40337416), (7, 28812440), (8, 25210885), (10, 20168708), (14, 14406220), (20, 10084354), (28, 7203110), (35, 5762488), (40, 5042177), (56, 3601555), (70, 2881244), (140, 1440622), (280, 720311)]